How to setup Fast and Reliable Public DNS for Ubuntu Linux

Fast and Free Public DNS Servers are available. It will increase the browsing speed.

The Google Public DNS IP addresses (IPv4) are as follows:

• 8.8.8.8
• 8.8.4.4

Open DNS Ip Addresses(IPV4) are as follows

   208.67.222.222

   208.67.220.220

1. Edit /etc/resolv.conf:

   $ sudo vi /etc/resolv.conf

2. Replace the nameserver lines with, or add, the following lines: For IPv4:
   

   nameserver 8.8.8.8
   nameserver 8.8.4.4

3. Save and exit.